Streptococcus downei is a species of catalase-negative, Gram-positive, coccus-shaped bacterium from the genus Streptococcus. Its type strain is MFe28 (NCTC 11391T). It is thought to be cariogenic.
References
Further reading
Monchois, Vincent, Martha Arguello-Morales, and Roy RB Russell. "Isolation of an Active Catalytic Core ofStreptococcus downei MFe28 GTF-I Glucosyltransferase." Journal of Bacteriology 181.7 (1999): 2290–2292.
External links
LPSN Type strain of Streptococcus downei at BacDive - the Bacterial Diversity Metadatabase